In /usr/bin/dh_xsf_substvars line 45: echo "xinpdriver:Depends=$inputdep" >> debian/$package.substvars ^------^ SC2086: Double quote to prevent globbing and word splitting. Did you mean: echo "xinpdriver:Depends=$inputdep" >> debian/"$package".substvars In /usr/bin/dh_xsf_substvars line 46: echo "xinpdriver:Provides=xorg-driver-input" >> debian/$package.substvars ^------^ SC2086: Double quote to prevent globbing and word splitting. Did you mean: echo "xinpdriver:Provides=xorg-driver-input" >> debian/"$package".substvars In /usr/bin/dh_xsf_substvars line 50: echo "xviddriver:Depends=$videodep" >> debian/$package.substvars ^------^ SC2086: Double quote to prevent globbing and word splitting. Did you mean: echo "xviddriver:Depends=$videodep" >> debian/"$package".substvars In /usr/bin/dh_xsf_substvars line 51: echo "xviddriver:Provides=xorg-driver-video" >> debian/$package.substvars ^------^ SC2086: Double quote to prevent globbing and word splitting. Did you mean: echo "xviddriver:Provides=xorg-driver-video" >> debian/"$package".substvars For more information: https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...